#1D3285#1D3285

#1D3285 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.8% C 0.141 H 267.6°. Best body text is #FFFFFF at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#1D3285
RGB	rgb(29, 50, 133)
HSL	hsl(228, 64%, 32%)
HSV	hsv(228, 78%, 52%)
CMYK	cmyk(78.2%, 62.4%, 0%, 47.8%)
CIE-LAB	lab(24.43, 23.46, -48.87)
CIE-LCH	lch(24.43, 54.20, 295.64°)
OKLab	oklab(35.75% -0.0059 -0.1412)
OKLCH	oklch(35.75% 0.141 267.6)
XYZ	xyz(5.8795, 4.2352, 22.6934)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3285 #85701D

analogous

#1D6685 #1D3285 #3C1D85

triadic

#1D3285 #851D32 #32851D

tetradic

#1D3285 #851D66 #85701D #1D853C

square

#1D3285 #851D66 #85701D #1D853C

split-complementary

#1D3285 #853C1D #66851D

monochromatic

#070C21 #121F53 #1D3285 #2845B7 #4663D7

Accessibility & contrast

On white

11.37

#1D3285 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#1D3285 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3285

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3285	#FFFFFF	#000000	##FFFFFF
##1D3285	1.00	11.37	1.85	11.37
#FFFFFF	11.37	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F88

Deuteranopia (green-blind)

#003583

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1d3285;
/* rgb */ color: rgb(29, 50, 133);
/* oklch */ color: oklch(35.8% 0.141 267.6);

Tailwind

colors: {
  custom: {
    50: '#6a69a9',
    500: '#1d3285',
    950: '#000000',
  },
}

SCSS

$custom: #1d3285;
$custom-light: #6a69a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3285",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 133
  },
  "hsl": {
    "h": 227.885,
    "s": 64.198,
    "l": 31.765
  },
  "oklch": {
    "l": 0.35754,
    "c": 0.14131,
    "h": 267.6
  },
  "luminance": 0.04236
}

Semantic roles & 50–950 ramp

primary

#1D3285

secondary

#B8A146

accent

#C641E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#080610

muted

#7A7A7F

Preview Lab

Preview with #1D3285

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →